Transcatheter Electrical Ablation of Accessory Pathways in Children

B. I. Bromberg, M. Dick, W. A. Scott, F. Morady

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

BROMBERG, B.I., et al.: Transcatheter Electrical Ablation of Accessory Pathways in Children. Supraventricular tachycardia (SVT), the most common sustained symptomatic arrhythmia of childhood, is often supported hy a manifest or concealed accessory pathway. Permanent interruption of the accessory pathway usually requires surgical division. Recent experience with electrical ablation of posterior septal pathways in adults prompted us to apply the technique to children. Six children, ages 8 to 15 years, underwent a complete electrophysiological study followed by transcatheter electrical ablation. Five of the 6 children, 3 with a right posterior septal and 2 with a left posterior septal pathway, were approached with the ablation catheter at the os of the coronary sinus. In the remaining patient, a left lateral pathway was mapped with an electrode catheter in the coronary sinus and then approached with the ablation catheter through the patent foramen into the left atrium. Two patients are asymptomatic 18–24 months postabla‐tion; one patient had return of anomalous conduction between 7 and 21 days after ablation. Two patients had transient interruption of anomalous conduction, whereas one patient experienced no effect. We conclude that in carefully selected patients, transcatheter electrical ablation ofers an alternative to surgery for permanent interruption of an accessory pathway. (PACE, Vol. 12, November 3989)

Original languageEnglish (US)
Pages (from-to)1787-1796
Number of pages10
JournalPacing and Clinical Electrophysiology
Volume12
Issue number11
DOIs
StatePublished - Nov 1989

Keywords

  • accessory pathway
  • eiectrical ablation
  • supraventricular tachycardia

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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